From top to bottom, here is my thoughts. First photo: A: Low Grade B: Mid Grade C: Mid Grade D: Peripheral E: Mid Grade
Second and third photos: A: Peripheral B: Peripheral C: Peripheral D: Peripheral E: Mid Grade. Probably better to harvest the lone IC chip.
Fourth photo: A: Mid Grade, too much blank space on the board to give it anything else. Harvest the IC chips. B: Mid Grade, no IC chips anywhere to be found C: Mid Grade, one IC chip. Harvest it with a heat gun D: Mid Grade, no IC chips present
Fifth photo: A: Telecom, good IC population across the board. B: Peripheral C: Peripheral
Sixth photo: A: Mid Grade, no IC chips and only power connectors, so can't offer it Backplane grade. B: Mid Grade, too many power components. Harvest the IC chips. C: Peripheral
Last photo: A: Peripheral B: Peripheral C: Mid Grade as-is. Remove the large transformer and it may get a bump to peripheral.
_________________ kgryczan Forum Moderator
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